Usually po first ultrasound/trans v ang sinusunod. Estimated lang naman po yan. Pwede paren kayong manganak 1 to 2 weeks before or after your EDD. :) https://ph.theasianparent.com/pregnancy-due-date-changes
lmp or first utz po.. iba2x din sa akin.. lmp ko edd dec 28.. 1st utz dec 30 dec 28 at last jan 5